On multipartite invariant states I. Unitary symmetry

Details On multipartite invariant states I. Unitary symmetry On multipartite invariant states I. Unitary symmetry

2006-01-04

arxiv.org/abs/quant-ph/0601027v3

Phys. Rev. A 73, 062313 (2006)

Physics

Quantum Physics

9 pages; slight corrections

Scientific paper

10.1103/PhysRevA.73.062314

We propose a natural generalization of bipartite Werner and isotropic states
to multipartite systems consisting of an arbitrary even number of d-dimensional
subsystems (qudits). These generalized states are invariant under the action of
local unitary operations. We study basic properties of multipartite invariant
states: separability criteria and multi-PPT conditions.

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